Withdrawn: 2562: Disable backport command in open pull requests until Github allows the bot to create labels

[Zhao Song]

On Mon, 11 Aug 2025 23:04:11 GMT, Zhao Song <zsong at openjdk.org> wrote:

> In [SKARA-1797](https://bugs.openjdk.org/browse/SKARA-1797), the bot was enhanced to support backport pull request command, but with the implementation, the bot needs to add a customized label to the pull request. Recently, Github did some changes and it no longer allows the bot to create new labels. I need to disable this feature until Github allows the bot to create new labels again.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/skara/pull/1731